xnu-4903.270.47.tar.gz

[apple/xnu.git] / san / kasan.h

diff --git a/san/kasan.h b/san/kasan.h
index 102a31468ab6e630537e401194baf9af857c5527..308efa2e90d22afef7e40a90b5df13bb2abbad54 100644 (file)
--- a/san/kasan.h
+++ b/san/kasan.h
@@ -46,6 +46,7 @@ typedef uintptr_t uptr;
 
 #if KASAN
 
+#define KASAN_DEBUG  0
 #define KASAN_KALLOC 1
 #define KASAN_ZALLOC 1
 #define KASAN_DYNAMIC_BLACKLIST 1
@@ -101,8 +102,10 @@ void kasan_notify_address(vm_offset_t address, vm_size_t size);
 void kasan_notify_address_nopoison(vm_offset_t address, vm_size_t size);
 void kasan_unpoison_stack(vm_offset_t stack, vm_size_t size);
 void kasan_unpoison_curstack(bool whole_stack);
-void kasan_unpoison_fakestack(thread_t thread);
+bool kasan_check_shadow(vm_address_t base, vm_size_t sz, uint8_t shadow);
 
+void kasan_fakestack_drop(thread_t thread); /* mark all fakestack entries for thread as unused */
+void kasan_fakestack_gc(thread_t thread);   /* free and poison all unused fakestack objects for thread */
 void kasan_fakestack_suspend(void);
 void kasan_fakestack_resume(void);
 
@@ -111,8 +114,8 @@ void __kasan_runtests(struct kasan_test *, int numtests);
 
 
 typedef int (*pmap_traverse_callback)(vm_map_offset_t start,
-                                      vm_map_offset_t end,
-                                      void *context);
+    vm_map_offset_t end,
+    void *context);
 int kasan_traverse_mappings(pmap_traverse_callback, void *context);
 
 #if XNU_KERNEL_PRIVATE
@@ -126,6 +129,7 @@ extern unsigned shadow_stolen_idx;
 extern vm_offset_t shadow_pnext, shadow_ptop;
 #endif
 #endif
+
 /*
  * Allocator hooks
  */
@@ -172,7 +176,7 @@ extern const uintptr_t __asan_shadow_memory_dynamic_address;
 
 __BEGIN_DECLS
 
-KASAN_DECLARE_FOREACH_WIDTH(void, __asan_report_load, uptr);
+    KASAN_DECLARE_FOREACH_WIDTH(void, __asan_report_load, uptr);
 KASAN_DECLARE_FOREACH_WIDTH(void, __asan_report_store, uptr);
 KASAN_DECLARE_FOREACH_WIDTH(void, __asan_store, uptr);
 KASAN_DECLARE_FOREACH_WIDTH(void, __asan_report_exp_load, uptr, int32_t);